1992

6.8

2024

6.1

1991

7.9

2020

6.9

1997

8.0

2006

8.1

1985

8.9

2005

9.3

1989

7.5

2004

7.5

2018

5.1

1965

8.0

2019

5.8

2019

5.2

2015

7.5

2017

5.7

2007

7.7

2014

5.9

2013

7.5

2006

7.4